Bophara ba lebitso le bophara ba ka hare le kantle ba phala ea tšepe e spiral

Pipe ea tšepe e spiralke mofuta oa phaephe ea tšepe e entsoeng ka ho phutholla moqomo oa tšepe hore e be sebopeho sa phaephe ka sekhutlo se itseng sa ho potoloha (sekhutlo sa ho etsa) ebe oa e tjheseletsa. E sebelisoa haholo lits'ebetsong tsa liphaephe bakeng sa phetisetso ea oli, khase ea tlhaho le metsi.

 
Bophara ba Lebitso (DN)
Bophara ba lebitso bo bolela bophara bo tloaelehileng ba phaephe, e leng boleng bo tloaelehileng ba boholo ba phaephe. ​​Bakeng sa phaephe ea tšepe e potolohang, bophara bo tloaelehileng hangata bo haufi le, empa ha bo lekane le, bophara ba 'nete ba kahare kapa kantle.
Hangata e hlahisoa ke DN hammoho le nomoro, joalo ka DN200, e leng se bontšang hore bophara bo tloaelehileng ke phala ea tšepe ea 200 mm.
Mekhahlelo e tloaelehileng ea bophara ba lebitso (DN):
1. Bophara bo bonyenyane (DN100 - DN300):
DN100 (lisenthimithara tse 4)
DN150 (lisenthimithara tse 6)
DN200 (lisenthimithara tse 8)
DN250 (lisenthimithara tse 10)
DN300 (lisenthimithara tse 12)

2. Bophara bo mahareng (DN350 - DN700):
DN350 (lisenthimithara tse 14)
DN400 (lisenthimithara tse 16)
DN450 (lisenthimithara tse 18)
DN500 (li-inchi tse 20)
DN600 (lisenthimithara tse 24)
DN700 (28 inches)

3. Bophara bo boholo (DN750 - DN1200):
DN750 (lisenthimithara tse 30)
DN800 (lisenthimithara tse 32)
DN900 (lisenthimithara tse 36)
DN1000 (40 inches)
DN1100 (lisenthimithara tse 44)
DN1200 (48 inches)

4. Bophara bo boholo haholo (DN1300 le ho feta):
DN1300 (li-inchi tse 52)
DN1400 (li-inchi tse 56)
DN1500 (lisenthimithara tse 60)
DN1600 (lisenthimithara tse 64)
DN1800 (72 inches)
DN2000 (lisenthimithara tse 80)
DN2200 (lisenthimithara tse 88)
DN2400 (96 inches)
DN2600 (li-inchi tse 104)
DN2800 (li-inchi tse 112)
DN3000 (li-inchi tse 120)

OD le ID
Bophara ba Kantle (OD):
OD ke bophara ba bokaholimo ba kantle ba phaephe ea tšepe e potolohang. OD ea phaephe ea tšepe e potolohang ke boholo ba 'nete ba bokantle ba phaephe.
OD e ka fumanoa ka tekanyo ea 'nete' me hangata e lekanngoa ka limilimithara (mm).
Bophara ba ka Hare (ID):
ID ke bophara ba bokaholimo ba ka hare ba phaephe ea tšepe e potolohang. ID ke boholo ba 'nete ba bokahare ba phaephe.
ID hangata e balwa ho tloha ho OD ho tloswa habeli botenya ba lebota ka dimilimithara (mm).
ID=OD-2×botenya ba lebota

Likopo tse tloaelehileng
Liphaephe tsa tšepe tse spiral tse nang le bophara bo fapaneng ba lebitso li na le lits'ebetso tse fapaneng masimong a fapaneng:
1. Phaephe e nyane ea tšepe e potolohang e bophara bo nyane (DN100 - DN300):
E sebelisoa haholo boenjiniere ba masepala bakeng sa liphaephe tsa phepelo ea metsi, liphaephe tsa drainage, liphaephe tsa khase, jj.

2. Phaephe ea tšepe e potolohang e bophara bo mahareng (DN350-DN700): e sebelisoa haholo liphaepheng tsa oli, khase ea tlhaho le liphaepheng tsa metsi tsa indasteri.

3. phala ea tšepe e potolohang e bophara bo boholo(DN750 - DN1200): e sebediswa mererong ya phetisetso ya metsi e hole, diphaepheng tsa oli, mererong e meholo ya diindasteri, jwalo ka dipalangwang tse mahareng.

4. phaephe ya tshepe e spiral e bophara bo boholo (DN1300 le ho feta): e sebediswa haholo bakeng sa diporojeke tsa diphaephe tsa metsi, oli le kgase tse tsamayang dibakeng tse telele, diphaephe tsa metsing a ka tlasa lewatle le diporojeke tse ding tse kgolo tsa meralo ya motheo.

Maemo le mekhoa
Bophara ba lebitso le litlhaloso tse ling tsa phala ea tšepe e potolohang hangata li hlahisoa ho latela maemo le melao e amehang, joalo ka:
1. Maemo a machaba:
API 5L: e sebetsang ho phaephe ea tšepe ea lipalangoang tsa liphaephe, e hlalosa boholo le litlhoko tsa thepa ea phaephe ea tšepe e potolohang.
ASTM A252: e sebetsa ho phala ea tšepe ea sebopeho, boholo ba phala ea tšepe e potolohang le litlhoko tsa tlhahiso.

 

2. Maemo a Naha:
GB/T 9711: e sebetsang ho phala ea tšepe bakeng sa lipalangoang tsa indasteri ea oli le khase, e totobatsa litlhoko tsa tekheniki tsa phala ea tšepe e potolohang.
GB/T 3091: e sebetsang ho lipalangoang tsa mokelikeli o nang le khatello e tlase ka phaephe ea tšepe e welletsoeng, e totobatsa boholo ba phaephe ea tšepe e spiral le litlhoko tsa tekheniki.